Jones County Fair Dates 2025. The great jones county fair in monticello is one of the biggest and best country fairs in the whole state of iowa! Your festival guide to great jones county fair 2025 with dates, tickets, lineup info, photos,.

The great jones county fair in monticello is one of the biggest and best country fairs in the whole state of iowa! In addition to lots of food, games, competitions, kids’ activities, rides, a beer tent, and lots of live.